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GOV.UK HMRC Accessibility Strategy

A professional presentation slide featuring Robert, a Service Designer for HMRC in Manchester, with a quote highlighting frustrations around GDS guidelines and accessibility design.

Case Study: HMRC

Modernising the HMRC Forms Estate – A Strategic Accessibility Audit & Transformation

Project: HMRC Accessibility & Compliance Strategy Focus: WCAG 2.1 (AA) Compliance, Legacy Transformation, and Service Design

 Methodology: GDS Service Manual & Inclusive Design Principles

This initiative addressed a critical need to evaluate and remediate the accessibility of the HMRC forms estate. By moving beyond simple “compliance ticking,” we established a strategic framework to migrate legacy formats (PDFs) to HTML-first services (gForms), mitigate legal risk under the Equality Act 2010, and embed inclusive design practices into the core delivery lifecycle.

The Challenge

The HMRC digital estate contained a significant backlog of legacy forms and user journeys. Many were reliant on “Print & Post” flat PDFs or non-responsive designs, creating substantial barriers for users with assistive technologies. The scale of the estate presented high risks regarding:

  • Legal Compliance: Meeting Public Sector Bodies Accessibility Regulations.
  • Service Efficiency: High failure demand driven by unusable forms.
  • User Exclusion: Preventing vulnerable citizens from accessing essential government services.

Strategic Objectives

We defined three core pillars for this engagement:

  1. Estate-Wide Evaluation: Audit the user journeys against WCAG 2.1 (Level AA) to identify non-compliant services.
  2. Risk & Value Assessment: Quantify the business impact, cost-to-fix, and risk associated with non-compliant forms.
  3. Transformation Pipeline: Move beyond remediation by identifying candidates for:
    • Conversion to gForms (HTML-first).
    • Migration to distinct, end-to-end services.
    • Immediate triage for “Print & Post” PDF dependency.

The Approach

We utilised the Government Design Principles to ensure our process was rigorous, user-centred, and scalable.

1. Discovery: Scope & Inclusive Research

We began by mapping key user journeys and high-traffic pages. Crucially, we moved beyond standard personas to create Accessibility Personas based on diverse needs (e.g., screen reader users, neurodiverse users, motor impairment).

  • Action: Conducted contextual inquiry and interviews with users with disabilities to understand barriers in the current “Print & Post” landscape.
  • Outcome: Established a baseline of user needs that informed our audit criteria.

2. The Hybrid Audit Methodology

To ensure thoroughness at scale, we employed a two-tier auditing process:

  • Automated Testing: High-volume scanning to catch syntax errors and basic WCAG failures.
  • Manual Expert Review: Heuristic evaluation by accessibility specialists to assess navigational flow, cognitive load, and complex interactions that automated tools miss.

3. Triage & Backlog Management

We did not treat all forms equally. We created a Prioritisation Matrix based on:

  • User Volume: High-traffic forms took precedence.
  • Severity of Barrier: “Blocker” issues prevented access entirely.
  • Strategic Fit: Identifying “Change Candidates”—forms that should not be fixed, but rather retired and replaced with gForms.

4. Validation: User Testing with Assistive Tech

Remediation is theoretical until tested. We conducted usability testing sessions specifically with users employing assistive technology (JAWS, NVDA, Dragon NaturallySpeaking, ZoomText).

  • Focus: We observed users navigating the “fixed” journeys to validate that code changes translated to a genuine improvement in experience.

Outcomes & Value Delivered

For the Business

  • Risk Mitigation: Delivered a comprehensive risk register detailing non-compliant assets and their legal implications.
  • Strategic Roadmap: Created a prioritized backlog for migrating flat PDFs to interactive gForms, reducing manual processing costs for HMRC.
  • Cost Efficiency: Identified “quick wins” versus “re-platforming” candidates to ensure budget was spent on high-impact changes.

For the Users

  • Removed Barriers: Resolved critical blockers in navigation, text readability, and keyboard accessibility.
  • Inclusive Experience: Ensured that essential services are accessible to citizens regardless of ability, fulfilling the promise of “Government for everyone.”

For the Culture (Capability Building)

Sustainability was a key goal. We did not just “fix and leave.”

  • Training: Delivered workshops to developers and content creators on WCAG 2.1 best practices.
  • Continuous Monitoring: Implemented automated monitoring pipelines to catch regression early.
  • Feedback Loops: Established channels for continuous user feedback on accessibility, fostering a culture of iteration.

Conclusion

This project successfully shifted the narrative from “accessibility as a legal constraint” to “accessibility as a driver for better service design.” By identifying candidates for gForms and removing barriers in legacy PDFs, we have laid the groundwork for a fully inclusive, digital-first HMRC estate.